function login()
{
	//alert("renren login");
	XN.Connect.requireSession(function(){});
	return false;
}

function logout()
{
	//alert("renren logout");
	XN.Connect.logout(function(){logoutSite();});
	return false;
}

function shareimage2Renren($title, $content, $imgURL, $link)
{
	//alert("shareimage2Renren:" + $title);
    var shareInfo = {
      "medium": "image",
      "title": $title,
      "link": $link,
      "image_src": $imgURL,
      "message": $content,
      "description": "这个活动很有意思的，快来参加吧！http://www.wlj-xzq.com"
    };
	
    XN.Connect.showShareDialog(shareInfo, function(confirm) {
      if (confirm) {
        alert('分享成功');
      }
      else {
        alert('取消了分享');
      }
    });
 }